Toltec connector synchronisation sometimes hangs and consumes much memory

Hi,

I am using kolab server in an outlook environment with the
toltec 
connector v2.06.

The last time the following error is occuring more an more
often:
While doing a full synchronisation or in general, when
messages are 
copied between kolab and outlook (not only the check), this
process 
sometimes hangs for a minute or even longer. During this
time, the 
connector consumes much memory and cpu ressources, and
outlook also 
stops working fluently.

My first assumption was, that the windows pc probably needed
more 
memory, but the errors also occured on new machines with 1
GB memory and 
a fast processor.
I compared this effect on different client machines and
found out, that 
all clients stoped working at the same point when toltec
tried to 
synchronise the same message(s). I assume that the toltec
connector has 
problems with handling some messages, probably a format
issue. It does 
not matter, if the message is a normal eMail message, a
task, a contact 
or an appointment. The message size has some influence on
this effect, 
but even messages of 10 kb or less lead to this error. After
manually 
deleting these messages from the server with horde or
another imap 
client, the toltec connector synchronises as fast as
expected.
I examined some of theses messages, but cannot find anything
unregular. 
All of them have attachments included.

The last time this effect grows up to a serious problem
because more and 
more spam mails triggers this error. Outlook then completely
stops 
working and must be killed with task manager, when new Mails
are fetched 
via pop3 and toltec connector tries to synchronise them with
kolab fpor 
the first time.

Anybody made similar experiences?

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Hi Uwe,

please report your experiences to the vendor of Toltec:
Radley Network Technologies

It would be cool to find out, which email this is.
I suggest a binary search:
	move half of the emails away
        check if bug is still there
        if not -> test other half
           else start again
until you have the offending email or set of emails.

Bernhard

Am Mittwoch, 5. April 2006 19:00 schrieb Uwe Greßhake:
> Hi,
>
> I am using kolab server in an outlook environment with
the toltec
> connector v2.06.
>
> The last time the following error is occuring more an
more often:
> While doing a full synchronisation or in general, when
messages are
> copied between kolab and outlook (not only the check),
this process
> sometimes hangs for a minute or even longer. During
this time, the
> connector consumes much memory and cpu ressources, and
outlook also
> stops working fluently.
>
> My first assumption was, that the windows pc probably
needed more
> memory, but the errors also occured on new machines
with 1 GB memory and
> a fast processor.
> I compared this effect on different client machines and
found out, that
> all clients stoped working at the same point when
toltec tried to
> synchronise the same message(s). I assume that the
toltec connector has
> problems with handling some messages, probably a format
issue. It does
> not matter, if the message is a normal eMail message, a
task, a contact
> or an appointment. The message size has some influence
on this effect,
> but even messages of 10 kb or less lead to this error.
After manually
> deleting these messages from the server with horde or
another imap
> client, the toltec connector synchronises as fast as
expected.
> I examined some of theses messages, but cannot find
anything unregular.
> All of them have attachments included.
>
> The last time this effect grows up to a serious problem
because more and
> more spam mails triggers this error. Outlook then
completely stops
> working and must be killed with task manager, when new
Mails are fetched
> via pop3 and toltec connector tries to synchronise them
with kolab fpor
> the first time.
>
> Anybody made similar experiences?
>
> _______________________________________________
> Kolab-users mailing list
> Kolab-userskolab.org
> https:
//kolab.org/mailman/listinfo/kolab-users

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